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ACS422D00TAGYYX Datasheet(PDF) 1 Page - Integrated Device Technology |
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ACS422D00TAGYYX Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 89 page  DATASHEET PORTABLE CONSUMER CODEC LOW-POWER, HIGH-FIDELITY INTEGRATED CODEC ACS422x00 1 V1.2 1/12 ©2011 INTEGRATED DEVICE TECHNOLOGY, INC. ACS422X00 DESCRIPTION The ACS422x00 is a low-power, high-fidelity integrated CODEC targeted at portable applications such as tablet computers, personal navigation devices, portable projec- tors and speaker docks. In addition to a high-fidelity low-power CODEC, the device integrates a DDXTM class-D speaker amplifier, a true cap-less headphone amplifier, and four programmable system PLLs to enable the timing management of the systems applications pro- cessor, USB interface, secondary audio and other subsys- tems. Beyond high-fidelity for portable systems, the device offers an enriched “audio presence” through built-in audio processing capability The ACS422x00 has been designed with rapid customization in mind. IDT is able to rapidly pro- vide varying levels of integration, additional audio process- ing, more or fewer PLLs, etc, according to the needs of large markets or customers. TARGET APPLICATIONS • Tablet Computers • Portable Navigation Devices • Personal Media Players • Portable Projectors • Speaker Docks FEATURES • High fidelity 24-bit stereo CODEC • DAC 102dB SNR; THD+N better than -82dB • ADC 90dB SNR, THD + N better than -80dB • Built in audio controls and processing • 3D stereo enhancement • Dual (cascaded) stereo 6-band parametric equalizers • Programmable Compressor/Limiter/Expander • Psychoacoustic Bass and Treble enhancement processing • Filterless Stereo DDXTM Class D Speaker Driver • 1W/channel (8 ) or 2W/channel (4 ), 0.05% THD+N typical • Tri-state DDXTM Class D achieves low EMI and high efficiency • >80% efficiency at 1W • Spread spectrum support for reduced EMI output power mode • Anti-Pop circuitry • On-chip true cap-less headphone driver • 35 mW output power (16 ) • Charge-pump allows true ground centered outputs • SNR of 102dB •I2S data interface • Microphone/line-in interface • Analog microphone or line-in inputs • Digital microphone (ACS422D00) • Automatic level control • 4 on-chip low-jitter PLLs for internal and system timing • Multiple frequency options • Spread spectrum support • Low power with built in power management • 1.7 V CODEC supports 1Vrms • Very low standby and no-signal power consumption • 1.8V digital / 1.7V analog supply for low power • 2-wire (I2C compatible) control interface • 68-pin dual row 6x6 mm Thermal Leadless Array package DDXTM and the DDX logo are trademarks of Apogee Technology. |
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